| |||
| 系统研制周期 | |||
| 系统开发周期 | |||
| 系统开发［研制］周期 | |||
|
system development cycle : 5 phrases in 4 subjects |
| Electronics | 1 |
| Information technology | 2 |
| Multimedia | 1 |
| Name of organization | 1 |
| |||
| 系统研制周期 | |||
| 系统开发周期 | |||
| 系统开发［研制］周期 | |||
|
system development cycle : 5 phrases in 4 subjects |
| Electronics | 1 |
| Information technology | 2 |
| Multimedia | 1 |
| Name of organization | 1 |